Suppress conformance_textures_misc_texture_npot_video on Nexus 5X.

Has recently become a bit more flaky (2-3 failures per day) for
unexplained reasons.

Bug: 934545
No-Try: True
Change-Id: I3d185481981c3840459d2d9abb385d8decb16731
Tbr: ericrk@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/1483832
Commit-Queue: Kenneth Russell <kbr@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Reviewed-by: Eric Karl <ericrk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#634894}

content/test/gpu/gpu_tests/webgl_conformance_expectations.py

@@ -803,6 +803,10 @@ class WebGLConformanceExpectations(GpuTestExpectations):
     self.Flaky('conformance/textures/image_bitmap_from_video/' +
         'tex-2d-rgb-rgb-unsigned_byte.html',
         ['android', ('qualcomm', 'Adreno (TM) 418'), 'no_angle'], bug=716496)
+    self.Flaky('conformance/textures/misc/texture-npot-video.html',
+        ['android', 'android-chromium',
+         ('qualcomm', 'Adreno (TM) 418'), 'no_angle'],
+        bug=934545)
     self.Skip('conformance/uniforms/uniform-samplers-test.html',
         ['android', ('qualcomm', 'Adreno (TM) 418')],
         bug=610951)